Algorithms

What should I do if I want to change the image in the draw function by clicking?

var draw = function() {

image(img, 200, 200, 150, 150);

};

• Move the image function into an if (mouseIsPressed) statement

• Move the image function into a mouseClicked function

• Reassign img at the top of the code

• Reassign img in a mouseClicked function

Fill in the blank with code that will make sure the update(); function is called every 20 seconds?

var draw = function() {

if (_____________) {

update();

}

};

• second() / 20 === 1

• tick++ % 20 === 1

• second() % 20 === 0

• seconds - 20 === 0

Fill in the first line of this switching algorithm with proper JS style:

_________

b = a - b;

a = a - b;

Fill in the middle line of this switching algorithm with proper JS style:

a = a + b;

_________

a = a - b;

Fill in the bottom line of this switching algorithm with proper JS style:

a = a + b;

b = a - b;

_________

Fill in the missing pseudocode to check if all the numbers in array nums are less than 10:

declare singleDigit to be true

for every value in nums do:

___________________

set singleDigit to false

• check if singleDigit is true

• check if the value in nums is less than 10

• check if the value in nums is greater than/equal to 10

• check if the current index is less than the length of nums

Fill in the pseudocode so the password checker accepts "coach brenda" and "coach dylan" as answers

declare variable pass to be an empty string

while (________)

display text "What's the password?

prompt user for string input

• pass !== "coach brenda" || pass !== "coach dylan"

• pass !== "coach " + pass

• pass !== "coach brenda" && pass !== "coach dylan"

• pass !== pass

Fill in the missing pseudocode to find the biggest positive number in array nums

declare biggestNum to be 0

for every value in nums do:

if nums[i] is greater than biggestNum

_________________

• Assign biggestNum to be nums[i]

• Assign nums[i] to be biggestNum

• Switch the values of nums[i] and nums[i + 1]

• Switch the values of nums[i-1] and nums[i]

What is the purpose of the variable "state" in this code?

var draw = function() {

if (state === 0) {

scene0();

} else if (state === 1) {

scene1();

}};

• It tells the draw function which function to run

• It allows the functions to be called at the same time

• It tells the draw function your geographical location

• It makes Chris P. Bacon appear

What does the following algorithm do?

Define an empty array nums

for every number from 0 to 500 do:

if i % 17 === 0

push i to nums

• Fills nums with multiples of 17 that are less than 500

• Fills nums with factors of 17 that are less than 500

• Pushes every 17th number from 0 to 500 to nums

• Pushes 17 numbers to nums